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by SideburnsOfDoom
531 days ago
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> some impalpable material "impalpable" means you can't touch it. Like a low pressure gas? Neon lighting fits this. "brightly glowing, electrified glass tubes or bulbs that contain rarefied neon or other gases" And "It was discovered in 1898" https://en.wikipedia.org/wiki/Neon_lighting |
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